Where does “-ać” come from?

-ać (Polish) comes from Old Polish -ć, from Old Polish ty, from Proto-Slavic ty, from Proto-Balto-Slavic tūˀ, from Proto-Indo-European túh₂ — you, thou.

-ać (Polish): forms imperfect and frequentative verb forms, causes both consonantal and vocalic sound changes within the stem

Definitions

  1. forms imperfect and frequentative verb forms, causes both consonantal and vocalic sound changes within the stem

Ancestry of “-ać”, step by step

StepLanguageWordMeaning
1Old Polish-ćforms
2Old Polishtysingular non-formal second person pronoun thou, you
3Proto-Slavictyyou
4Proto-Balto-Slavictūˀyou
5Proto-Indo-Europeantúh₂you, thou

Words derived from “-ać”

Every word from Proto-Indo-European túh₂ →Every word from Proto-Balto-Slavic tūˀ →Every word from Proto-Slavic ty →